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Check your tyres!

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
djstan
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Check your tyres!

Post by djstan » Sat Dec 02, 2017 11:56 pm

Swapped onto my winter wheels today; I was conscious that my summer tyres were getting very close to the limit and have been checking regularly, so when the guys who changed my wheels over told me that the rears were shot, I wasn't particularly surprised.

However, when I got home and started to put the summer wheels in the garage, I was genuinely shocked at what I'd found on the inside edge of the tyres - see the pictures! I've been diligent in checking the tread but I had no idea that the inside edge was so bad - looks like an accident waiting to happen. :?

Short of jacking the car up every week to check the inside of the tyres, I'm not sure how I would have been able to spot this, but my word of warning is simply to check your tyres before going for a spin! :driving:
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10-plate E89 35i, Deep Sea Blue
67-plate F15 X5 35d, Space Grey

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Check your tyres!

Post by Bing » Sun Dec 03, 2017 12:03 am

:o

Might be worth having a four wheel alignment done... Glad that accident didn’t happen !
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Mr Tidy
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Check your tyres!

Post by Mr Tidy » Sun Dec 03, 2017 12:05 am

:eek: I think you need to go and buy a Lottery ticket now!

Glad you got them off the car in time. :thumbsup:
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Nictrix
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Check your tyres!

Post by Nictrix » Sun Dec 03, 2017 12:07 am

Can you think of anything that could have caused this?
Do you run lower pressures than recommended or are there lots of speed bumps in your area?
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Check your tyres!

Post by philbo909 » Sun Dec 03, 2017 12:11 am

Definitely get an alignment done or you'll wear through the winters in the same way!
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djstan
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Check your tyres!

Post by djstan » Sun Dec 03, 2017 12:17 am

Thanks all for the kind words; very relieved that nothing bad happened while those wheels were on the car! Luckily it's an occasional weekend car so it's not been driven for about 6 weeks, but even so...

Will definitely get an alignment done.

@Nictrix - I try to keep the pressures exactly as spec'd on the door sticker. Not really too many speed bumps to speak of, but the roads in general aren't brilliant with more than our fair share of potholes! Strange how this happened on both rears though, not just on one side.
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Check your tyres!

Post by Kugaman1 » Sun Dec 03, 2017 3:13 am

Hmm,
Not sure that’s an alignment issue? It would have to be massively out to wear that part of the tyre surely?
Is it not more likely that the tyres are very old and have started to delaminate from the core structure?

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Check your tyres!

Post by Maniac » Sun Dec 03, 2017 7:52 am

I’m guessing these are run flats? If so then it’s low pressure causing heat and wear on the hardened shoulders.

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Post by Kugaman1 » Sun Dec 03, 2017 8:54 am

That makes sense!

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Confused®
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Check your tyres!

Post by Confused® » Sun Dec 03, 2017 8:57 am

Same thing happened to my o/s rear, my alignment was a mile out on the front and that apparently was the problem.

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Check your tyres!

Post by Silverzedtom » Sun Dec 03, 2017 9:44 am

How many miles on them OP? Looks like you have dodged a bullet!
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Check your tyres!

Post by sticky » Sun Dec 03, 2017 10:16 am

Camber

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Check your tyres!

Post by djstan » Sun Dec 03, 2017 11:28 am

Ooh lots of questions to reply to!

Tyres are approx. 2.5 years old and have approx. 15,000 miles on them.

Not RFTs - Goodyear Eagle F1 Asymmetric 2

:)
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Check your tyres!

Post by Chris_D » Sun Dec 03, 2017 12:01 pm

Caught mine just in time too :o :lol:
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good for another 10k I reckon... :wink: :thumbsup:
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Check your tyres!

Post by Busterboo » Sun Dec 03, 2017 1:50 pm

djstan wrote: Sun Dec 03, 2017 11:28 am Tyres are approx. 2.5 years old and have approx. 15,000 miles on them.
Goodyear Eagle F1 Asymmetric 2
:)
The pictures and the data don't match.
Have you forgotten to include 'Used for tear-arsing-about'? :wink:
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